Thanks to Andy Liaw, James Holtman and Uwe Ligges; I downloaded and looked
at the source and found what I need!!
Francisco
From: Uwe Ligges <[EMAIL PROTECTED]>
To: F Z <[EMAIL PROTECTED]>
CC: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: Re: [R] Code density functions
Date: Wed, 07 Jul 2004 07:51:35 +0200
F Z wrote:
Dear Andy
Thanks for your reply. I don't seem to find the file that you suggested.
I tried:
file.show('C:/Program Files/R/rw1091/src/nmath/dnorm.c.')
You have installed a binary distribution.
You need to get the source tarball (directly accessible via the main CRAN
page) that includes the file.
Uwe Ligges
NULL
Warning message:
file.show(): file C:/Program Files/R/rw1091/src/nmath/dnorm.c. does not
exist
Then I looked at the directory and tried a file with similar name:
file.show('C:/Program Files/R/rw1091/src/include/Rmath.h')
But this file does not show the actual code used to calculate the
densities, only the declarations of the procedures.
What am I doing wrong?
Thanks again!
Francisco Zagmutt :)
From: "Liaw, Andy" <[EMAIL PROTECTED]>
To: "'F Z'" <[EMAIL PROTECTED]>,[EMAIL PROTECTED]
Subject: RE: [R] Code density functions
Date: Tue, 6 Jul 2004 18:35:24 -0400
Dear <insert your name here>:
You need to look at the C-level source codes, in R-1.9.1/src/nmath/d*.c.
Andy
> From: F Z
>
> Hello
>
> I would like to see the algorithm that R uses to generate
> density functions
> for several distributions (i.e. Normal,Weibull, etc). I tried:
>
> >dnorm
> function (x, mean = 0, sd = 1, log = FALSE)
> .Internal(dnorm(x, mean, sd, log))
> <environment: namespace:stats>
>
> How can I see the code used for densities?
>
> Thanks!
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